![subject](/tpl/images/cats/himiya.png)
Chemistry, 30.04.2021 14:30 krisbiddulph1580
A metal forms two oxides X and Y when contains 28.9% and 21.0% oxygen respectively.
a) calculate the ratio by mass of metal in the two oxides
b) what chemical law does it illustrate
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 17:30
When the earth was formed and cooled, why did nickel and iron end up in the center of the earth while basalt and granite ended up in the outer layers
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:50
Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:00
20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
You know the right answer?
A metal forms two oxides X and Y when contains 28.9% and 21.0% oxygen respectively.
a) calculate t...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 29.01.2020 11:43
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2020 11:43
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 29.01.2020 11:43
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2020 11:43
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 29.01.2020 11:43
![question](/tpl/images/cats/biologiya.png)
Biology, 29.01.2020 11:43
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 29.01.2020 11:43
![question](/tpl/images/cats/istoriya.png)
History, 29.01.2020 11:43
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 29.01.2020 11:43
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 29.01.2020 11:43